Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 35, NWS Cleveland, OH

May 7, 2012Marion County, Wyandot County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 7, 2012, 5:24 PM EDT for Marion County, Wyandot County, Ohio. It was in force for 66 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 7, 2012, 5:24 PM EDT (21:24 UTC)
Expired: May 7, 2012, 6:30 PM EDT
In force: 66 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Marion County, OH, Wyandot County, OH

The radar

The Cleveland radar (KCLE), 143 km from the middle of the area, began a volume at 21:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
May 7, 6:25 PM EDT	TSTM WND DMG	2 N La Rue, OH	DOWNED POWER LINES AND TREES.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.4 hours before the alert went out and 152 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 807 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 961 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 21 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

651 
WUUS51 KCLE 072124
SVRCLE
OHC101-175-072230-
/O.NEW.KCLE.SV.W.0035.120507T2124Z-120507T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
524 PM EDT MON MAY 7 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN MARION COUNTY IN NORTH CENTRAL OHIO
  WYANDOT COUNTY IN NORTHWEST OHIO

* UNTIL 630 PM EDT

* AT 520 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 10
  MILES WEST OF MARSEILLES...AND MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  UPPER SANDUSKY...
  SYCAMORE...
  MARSEILLES...
  MORRAL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.

&&

PLEASE REPORT HAIL AND STRONG WINDS TO THE NATIONAL WEATHER SERVICE
BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 4098 8312 4071 8310 4061 8311 4060 8343
      4068 8343 4070 8345 4070 8349 4070 8350
      4083 8351
TIME...MOT...LOC 2124Z 245DEG 23KT 4073 8356

$$

KING

2 follow-up statements

259 
WWUS51 KCLE 072154
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
554 PM EDT MON MAY 7 2012

OHC101-175-072230-
/O.CON.KCLE.SV.W.0035.000000T0000Z-120507T2230Z/
WYANDOT OH-MARION OH-
554 PM EDT MON MAY 7 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR NORTHWESTERN MARION AND WYANDOT COUNTIES...

AT 548 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
NEAR KIRBY...OR NEAR UPPER SANDUSKY...MOVING NORTHEAST AT 25 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...UPPER
SANDUSKY...NEVADA AND SYCAMORE.

LAT...LON 4098 8312 4071 8310 4061 8311 4060 8343
      4068 8343 4070 8345 4070 8349 4070 8350
      4083 8351
TIME...MOT...LOC 2154Z 245DEG 23KT 4081 8333

$$

KING

692 
WWUS51 KCLE 072231
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
631 PM EDT MON MAY 7 2012

OHC101-175-072241-
/O.EXP.KCLE.SV.W.0035.000000T0000Z-120507T2230Z/
WYANDOT OH-MARION OH-
631 PM EDT MON MAY 7 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MARION AND
WYANDOT COUNTIES EXPIRES AT 630 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

LAT...LON 4098 8312 4071 8310 4061 8311 4060 8343
      4068 8343 4070 8345 4070 8349 4070 8350
      4083 8351
TIME...MOT...LOC 2154Z 245DEG 23KT 4081 8333

$$

KING

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 7, 9:53 AM EDT	Areal Flood Advisory	CLE	Erie, Sandusky	4 hr
May 7, 1:46 PM EDT	Severe Thunderstorm Warning	CLE	Stark	41 min
May 7, 5:07 PM EDT	Severe Thunderstorm Warning	CLE	Medina	53 min
May 7, 5:52 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Marion, Richland, Wyandot	53 min
May 7, 6:42 PM EDT	Areal Flood Advisory	CLE	Crawford, Wyandot	5 hr
May 7, 7:03 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	57 min
May 7, 7:32 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	58 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2012 Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.